That wasn't the first try, it was the only try.

[He's going to make Tony regret not just destroying his little Ultron fragment self, isn't he? Why is Tony constantly setting himself up for disappointment?]

I suppose homicidal rants are more appropriate. They really bring the family together at the holidays. I'll ask when you're gonna settle down and give me grandkids, and you can tell me about how you're going to kill me, all my friends, and every other living thing on the planet.